Palestinians inspect the damage of the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Palestinians walk over the damage of the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Read Tahtawi inspects the damage of his building which was destroyed during an Israeli airstrike on the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Palestinians inspect the damage of the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Palestinians inspect the damage of a building near the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Palestinians inspect the damage of the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Residents inspect the damage of the destroyed multi-story building of Hamas-affiliated insurance company, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Read Tahtawi inspects the damage of his building which was destroyed during an Israeli airstrike on the offices of Hamas leader Ismail Haniyeh, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Israeli soldiers work next to their tanks near the Israel Gaza border, Israel, Tuesday, March 26, 2019. A tense quiet took hold on Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict, just two weeks before the Israeli election. (AP Photo/Ariel Schalit)

Palestinians gather in front of destroyed multi-story building of Hamas-affiliated insurance company, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Residents look at the damage of the destroyed multi-story building of Hamas-affiliated insurance company, in Gaza City, Tuesday, March 26, 2019. A tense quiet took hold Tuesday morning after a night of heavy fire as Israeli aircraft bombed targets across the Gaza Strip and Gaza militants fired rockets into Israel in what threatened to devolve into a major conflict two weeks before the Israeli election. (AP Photo/Adel Hana)

Map locates Gaza Strip and Tel Aviv in Israel, where Israeli says it struck Hamas targets in the Gaza in response to rocket fire on Tel Aviv. ;

An explosion caused by Israeli airstrikes is seen in Gaza City, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip in response to a surprise rocket attack from the Palestinian territory, as the military beefed up troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant Hamas group. (AP Photo/Adel Hana)

\An explosion caused by Israeli airstrikes is seen in Gaza City, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip in response to a surprise rocket attack from the Palestinian territory, as the military beefed up troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant Hamas group. (AP Photo/Adel Hana)

CAPTION ADDITION ADDS PRECISION: An explosion caused by Israeli airstrikes is seen in Gaza City, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip in response to a surprise rocket attack from the Palestinian territory, as the military beefed up troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant Hamas group. (AP Photo/Adel Hana)

Israeli Shlomo Moskowitz examines the damage to his house after it was hit by a rocket in Sderot, southern Israel, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip, including the offices of Hamas' supreme leader, in response to a surprise rocket attack from the Palestinian territory, as the military bolstered its troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant group. (AP Photo/Tsafrir Abayov)

An explosion caused by Israeli airstrikes is seen in Gaza City, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip in response to a surprise rocket attack from the Palestinian territory, as the military beefed up troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant Hamas group. (AP Photo/Adel Hana)

An explosion caused by Israeli airstrikes is seen in Gaza City, Monday, March 25, 2019. Israeli forces on Monday struck targets across the Gaza Strip in response to a surprise rocket attack from the Palestinian territory, as the military beefed up troops and rocket-defense systems in anticipation of a new round of heavy fighting with the Islamic militant Hamas group. (AP Photo/Adel Hana)